On the vectorial calibration of a vibrating sample magnetometer for thin film measurements

T. Bolhuis, L. Abelmann, J.C. Lodder, E.O. Samwel

    Research output: Contribution to journalArticleAcademicpeer-review

    5 Citations (Scopus)

    Abstract

    A calibration method for the biaxial vector Vibrating Sample Magnetometer (VSM) is proposed to reduce the so-called `cross talk’ error, often observed during angular measurements on magnetic thin films. The coil system of the biaxial vector VSM consists of two sets of coils, one for each of the two co-ordinate axes. The method takes into account that each coil set is sensitive to all components of the magnetisation vector and moreover that the sensitivity to the components parallel and perpendicular to the film plane can be different. A correction for demagnetisation should be used to compensate the fact that the sample used for the calibration cannot be fully saturated with an applied field at angles close to the normal of the film plane. Curve-fitting on the sensitivity curves is used to reduce noise. These procedures result in a calibration which reduces the cross talk by a factor 4–8 depending on the coil configuration and the size and shape of the samples used.
    Original languageEnglish
    Pages (from-to)332-336
    Number of pages5
    JournalJournal of magnetism and magnetic materials
    Volume193
    Issue number1-3
    DOIs
    Publication statusPublished - 1999
    Event7th International Conference of Magnetic Recording Media, MRM 1998 - Maastricht, Netherlands
    Duration: 30 Aug 19982 Sep 1998
    Conference number: 7

    Keywords

    • Calibration
    • Vector VSM
    • ME tape
    • Demagnetisation
    • Cross talk
    • Thin Þlm
    • SMI-EXP: EXPERIMENTAL TECHNIQUES
    • SMI-TST: From 2006 in EWI-TST
    • TSTNE-Magnet-VSM: Vibrating Sample Magnetometer

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